甲基丙烯酸甲酯自由基聚合在氮氧化物介导的可逆抑制条件下的动力学特征

IF 1.6 4区化学 Q4 POLYMER SCIENCE

Polymer Science, Series C Pub Date : 2021-06-30 DOI:10.1134/S1811238221010069

M. Yu. Zaremski, V. V. Odintsova

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引用次数: 0

摘要

本文综述了氮氧化物自由基介导甲基丙烯酸酯可控自由基聚合的动力学和机理。分析了影响甲基丙烯酸甲酯在可逆抑制模式下实现自由基聚合的可能或不可能的原因。决定甲基丙烯酸酯的特异性的主要因素是氮氧化物通过歧化机制与生长的自由基的相互作用、费舍尔超效应、高的再起始率和异常低的可逆终止率。

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Kinetic Features of the Radical Polymerization of Methyl Methacrylate under Conditions of Nitroxide-Mediated Reversible Inhibition

This review summarizes our and published data on the kinetics and mechanism of controlled radical polymerization of methacrylates mediated by nitroxide radicals. The reasons influencing the possibility or impossibility of the realization of radical polymerization of methyl methacrylate in the mode of reversible inhibition are analyzed. The main factors determining the specificity of the nitroxide-mediated polymerization of methacrylates are the interaction of nitroxides with growing radicals by the disproportionation mechanism, the Fischer hypereffect, a high rate of reinitiation, and an abnormally low rate of reversible termination.

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来源期刊

Polymer Science, Series C 工程技术-高分子科学

CiteScore

3.00

自引率

4.50%

发文量

审稿时长

>12 weeks

期刊介绍： Polymer Science, Series C (Selected Topics) is a journal published in collaboration with the Russian Academy of Sciences. Series C (Selected Topics) includes experimental and theoretical papers and reviews on the selected actual topics of macromolecular science chosen by the editorial board (1 issue a year). Submission is possible by invitation only. All journal series present original papers and reviews covering all fundamental aspects of macromolecular science. Contributions should be of marked novelty and interest for a broad readership. Articles may be written in English or Russian regardless of country and nationality of authors. All manuscripts are peer reviewed